Thông tư số 31/2017/TT-BTNMT ban hành về việc ban hành Quy chuẩn kỹ thuật quốc gia về môi trường. Được căn cứ Luật Tiêu chuẩn và Quy chuẩn kỹ thuật ngày 29 tháng 6 năm 2006;...
Ký bởi: Cổng Thơng tin điện tử Chính phủ Email: thongtinchinhphu@chinhphu.vn Cơ quan: Văn phịng Chính phủ Thời gian ký: 24.10.2017 10:10:33 +07:00 BO TAI NGUYEN VA MOI TRUtiNG CONG HOA XA HOI CHU NGHIA VItT NAM We 14p - Ti - H#nh pluic S6: 3A /20 17/TT-BTNMT Ha N'Oi, li-thang nam 2017 THONG Ti' Ban hanh quy chuAn ky thu4t qutic gia ve moi truriing Can cir Ludt Tieu chuOn va Quy chueink9 thudt 29 thong nam 2006; Can ci Ludt Bao ve moi truong 23 thong nam 2014; Can cu Nghi clinh so 127/2007/ND-CP 01 thcing nam 2007 cna Chinh phi quy clinh chi tat thi hanh mot se, clieu cna Ludt Tieu chuein va Quy chuan.10) thudt; Can et"( Nghi clinh so 36/2017/ND-CP 04 thong nam 2017 cna Chinh phi quy clinh chic nang, nhiem vy, quyn han va co ceiu to chic cna BO Tai nguyen va Moi truong; Theo cee nght cna Tang Cuc truong Tang cyc Moi truong, Vy truong Vy Khoa hoc va Cong nghe, Vu truong Vy Phap chi; Bo truong BO Tai nguyen va Masi truong ban hanh Thong to quy clinh quy chuan thudt quoc gia ve moi trw&ng Dieu Ban hanh kern theo Th8ng tu quy chudn k'y thudt qu6c gia ve moi truong: QCVN 63:2017/BTNIVIT - Quy chudn ky thudt qu6c gia ve nuac thai the bien tinh b6t son Dieu Th6ng tu c6 hieu luc thi hanh tix DL thong IZ nam 2017 Dieu T6ng Cue tnrong T6ng cvc Moi truong, Thu truong cac don vi thu6c B6 Tai nguyen va Moi truong, Giam doc So Tai nguyen va Moi tnrong cac tinh, trirc thu6c Trung uong va cac to chirc, ca nhan lien quan co trach nhim thi hanh Thong tu nay./ Nai nhan: KT BO TRU'ONG - Van phong Trung uang va cac Ban dm Ding; - Van phong Quiic hOi; - Van phong Chit tich ntrerc; - Van phong Chinh phir, - Toa an Nhan dan ten cao; - Vi'en Kiem sat nhan dan t6i cao; - Cac BO, ca quan ngang BO, ca quan thuOc Chinh phil; - Ca quan trung trang cua cac down the; - HDND, UBND cac tinh, phS true thuOc TW; - Sa Tai nguyen va Moi truong cac tinh, ph6 him thuOc TW; - Cuc Kiem tn Van ban (BO Tu phap); - Cong boo; Cong TTDT cua Chinh phil; - Cac dan vi thuOc BO TN&MT, - Ctmg TTDT cda BO TN&MT; - Luu: VT, TCMT, KH2 , , PC, Th (230) /Y CONG HOA XA HOI CHU NGHIA VIET NAM QCVN 63:2017/BTNMT QUY CHUAN K? THUAT QUOC GIA VE NUTYC THAI CHE BIEN TINH BOT SAN National Technical Regulation on effluent discharged from the cassava starch processing factories HA NOI - 2017 QCVN 63:2017/BTNMT Lori not &au QCVN 63:2017/BTNMT Tong C1,1C Mai trutmg !Dien soan, Ai Khoa hoc va C6ng nghe, Vy Phap the trinh duyet, B6 Khoa hoc va Cong nghe thAm Binh va di.ro'c ban hanh theo ThOng tu' s6 34 /2017/TT-BTNMT ngay,p thang nam 2017 cua BO trvang BO Tai nguyen va Moi trvoingt QUY CHUAN Ki? THUAT QUOC GIA VE NU'o'C THAI CHE BIEN TINH BOT SAN National Technical Regulation on effluent discharged from the cassava starch processing factories QUY DINH CHUNG 1.1 Phqm vi dreu chinh Quy char" quy dinh gia tri col da cho phep dm cac thong so nhiem nu,ac thai the bien tinh bOt san xi nguOn tiep nhan nutec thai 1.2 961 tuvng ap dung 1.2.1 Quy chuAn ap dung rieng cho nutec thai the bien tinh bOt san M9i to chirc, Ca nhan lien quan den hoat dOng xa thai nu,Oic thai the bien tinh b6t san ngutin tiep nhan nu,O'c thai tuan thu quy dinh tai quy chuAn 1.2.2 Nkrac thai the bien tinh bOt san xi vao he thong thu gom ciia nha may xir 19 nutec thai tap trung tuan thii theo quy dinh dm dun vi guar' 19 va van hanh nha may xir 19 nu,O'c thai tap trung 1.3 Giai thich thOt ngiv Trong quy chi& nay, cac thuat ngu, dutti day du'o'c hieu nhu' sau: 1.3.1 NirOic thai the bien tinh bOt san (khoai m9, di m9) la nu,O'c thai phat sinh tir hoat dOng the bien tinh bOt san ma khong tr6n Ian cac lc* nu,O'c thai khac cila ca so' the bien tinh bOt san 1.3.2 Co' so' mai IA nha may, ca ser the bien tinh bOt san hoat dOng san xuet sau quy chuen c6 hieu kyc thi hanh, bao Om ca cac ca so' dang qua trinh xay dung va da dircyc phe duyet Bao cao danh gia tac dOng m6i tru'o'ng, Cam ket bao ye mai tru'o'ng, De an bao ve mai tru'o'ng, Ke hoach bao ye moi truing tnyerc quy chuAn co hieu kyc thi hanh 1.3.3.Ca so' dang hoat dOng IA nha may, ca so' the bien tinh bOt san hoat dOng san xuet tru,ac quy chuen c6 hieu Ityc thi hanh 1.3.4 NguOn tiep nhan wen thai la: he thong thoat ruyerc thi, khu dan cu', khu cong nghiep; song, suCii, khe, rach, kenh, mu's:mg; h6, ao, dAm; %/Ong nutec bien ven 136' co muc dich sir dung xac dinh j,/ ;( QCVN 63:2017/BTNMT QUY DINH IC? THUAT 2.1 Gia tri toi da cho phep cua cac Meng s6 o nhiem ntro9c thai die Wen tinh bOt sin xa nguon tiep nhan nu,6,c thai 2.1.1 Gia tri toi da cho phep cua cac th6ng so nhigm ruck thai the bien tinh b6t san xa nguOn tiep nhan nu,en thai duvc tinh theo citing thirc sau: Cmax = C x Kq x Kf Trong dO: - Cmax la gia tri toi da cho phep cua th6ng so nhiem nu,Oic thai the bien tinh b6t ski xa ngtion tier) nhan nu,ac thai; - C la gia tri cua thong s6 nhiem nutic thai the bien tinh b6t san quy dinh tai muc 2.2; - Kq la he s6 nguari tiep nhan nutec thai quy dInh WI muc 2.3 u'ng veYi Iu'u luvng dong chay cua song, su6i, khe, rach, kenh, muvng; dung tich cua h6, ao, dm; muc dich sir dung cua vung nu,eyc bien ven beY; - Kf la h0 s6 kru Iircyng nguOri thai quy dinh tai muc 2.4 Crng vOi tong lu'u Itycyng nu,dec thai the bien tinh b6t san xa nguOri tiep nhan nutec thai 2.1.2 Ap dung gia tri VA da cho phep Cmax = C (kh6ng ap dung he s6 Kq va Kf) dOi veri th6ng s6 pH va TOng coliform 2.1.3 Nu,a9c thai the bien tinh bOt san xa vao he thong thoat nuierc thi, khu dan cu, chu'a co nha may xir ljt nu,ac thai tap trung thi ap dung gia tri C max = C quy dinh tai cot B, Bang 2.2 Gia tri C cua cac thong so nhiem nut,c thai the bien tinh bOt san duNyc quy dinh toi Bang Bang 1: Gia tri C cua cac thong s6 nhiem nut,c thai the toren tinh bot san de lam co' so, tinh gia tri toi da cho phep Gia tri C TT ThOng s6 pH Ch6t ran la Itling (TSS) Dan vi mg/I A B 6-9 5,5 - 50 100 QCVN 63:2017/BTNMT mg/I 30 50 Ca so' mai mg/I 75 200 COD Ca se' dang hoat dOng mg/I 100 250 Tong Nita Ca soi mai mg/I 40 60 (tinh theo N) Ca so' dang hoat dOng mg/I 50 80 BODE (20°C) Tong Xianua (CN-) mg/I 0,07 0,1 Tong PhOtpho (P) mg/I 10 20 TOng Coliform MPN hoac CFU/100 ml 000 000 COt A Bang quy dinh gia tri C dm cac th6ng s6 nhigm nuac thai the 'Dien tinh b6t sen xa nguon nu,O'c duvc dung cho muc dich cep mac sinh hoat; COt B Bang quy dinh gia tri C dm cac th6ng s6 nhigm nutec thai the bien tinh NM sen xa nguOn nixac khong dung cho muc dich cep nutm sinh hoat; Muc dich sir dung dm nguon tiep nhan nulfm thai duvc xac dinh tai khu vu'c tiep nhan riven thai Ke tit, 01 thang 01 narn 2020, ap dung gia tri quy dinh cho ca so' mai dOi vai Vet ca cac ca so' the bien tinh b6t sAn 2.3 HO s6 ngu6n trip nhan nuNtec thai Kq 2.3.1 He s6 Kq Ging vai km luvng dong chay dm song, su6i, khe, rach, kenh, mirang dizac quy dinh tai Bang dual day tv.v QCVN 63:2017/BTNMT luvng dong chay cua ngu6n Bang 2: WO s6 Kq Cvng tiep nh4n nu'o'c thai Lu'u luvng &mg chay cua ngulin tiep nhOn nutrc thai (Q) He s6 Kq Dan vi tinh: met kh6i/giay (m3/s) Q 0,9 50 50 500 luTing d6ng chay cua nguOn tiep nha'n Q duvc tinh theo gia tri trung binh nvac thai 03 thang kh6 kiet nhAt 03 nam lien tiep (s6 lieu cua ca quan Khi tuvng Thus) van) 2.3.2 HO s6 Kq Crng vai dung tich cua ngu6n tiep nhOn nveic thai la h6, ao, dm duvc quy dinh tai Bang du,6i day: Bang 3: He s6 Kq &rig v6i dung tich cua ngu6n tie) nh:an nutec thai Dung tich nguem tiep nhOn nu'o'c thai (10 He so Kg Dan vi tinh: met khoi (m3) 0,6 V.5.10 x106 10 x 106 100 x 106 V duvc tinh theo gia tri trung binh dung tich cua h6, ao, dAm tiep nhOn nut'c thai 03 thang kho kiet nhAt 03 nam lien tiep (s6 lieu cua ca quan Khi tuvng Thus) van) 2.3.3 Khi nguOn tiep nhOn nuN9c thai khong co s6 lieu ye Iu'u luvng d6ng chay cua song, su6i, khe, rach, kenh, muvng thi ap dung gia tri he s6 Kq = QCVN 63:2017/BTNMT nguon tiep nhan nuVc thai IA h6, ao, dam khong co so lieu ye dung tich thi ap dung gia tri he s6 Kg = 0,6 2.3.4 He s6 Kq dOi vai nguOn tiep nhan ntr6c thai IA yung nuVc bien yen boa, dam pha nutic man va nutec Ip yen bien: Vung riven bien yen bo' dung cho muc dich bao ye thug sinh, the thao ya giai tri dutei nt.rac, dam pha nutec man ya nt.pac Icy yen bien ap dung gia tri he s6 Kg = Vung nvO'c bien yen boi kh6ng dung cho muc dich bao ye thug sinh, the thao hoac giai tri &raj nutic ap dung gia tri he s6 Kq = 1,3 2.4 HO s6 lu'u luvng ngu6n thai Kf He s6 luvng nguOn thai Kf dvo'c quy dinh tai Bang duti day: Bang 4: H s6 lu'u luvng ngu6n thai Kf Lu'u luvng ngu6n thai (F) HO so Kf Dan vi tinh: met kh6i/ngay dem (m3/24h) F s 50 1,2 50 < F s 500 1,1 500 < F s 000 1,0 F > 000 0,9 Lu'u luvng ngu6n thai F duvc tinh theo Iwyng thai Ian nhAt neu Bao cao danh gia tac d6ng moi tru'o'ng, Cam ket bao ye moi frivol-1g, De an bao ye moi twang, Ke hoach bao ye moi tru'o'ng hoac GiAy xac nhan viec hoAn thAnh cac cong trinh, bien phap bao ye moi tru*ng duvc ca quan co thAm quyen phe duyet Khi !wing nguOn thai F thay d6i, khong phi' gia tri he s6 Kf dang ap dung, ca soi the bien tinh bOt sAn phai bao cao vai ca quan co thAm quyen de dieu chinh he s6 Kf theo quy dinh hien hanhir., QCVN 63:2017/BTNMT PHU'O'NG PHAP XAC BINH 3.1 Phuvng phap lay mAu va xac dinh gia tri cac thong s6 nuac thai ch6 bion tinh brit san thwc hi•n theo cac tieu chuAn sau day: Bang 5: Phvang phap lay mAu va xac dinh gia tri cac thong so nu'oc thai ch6 bion tinh bOt san TT Thong s6 Phu'o'ng phap phan tich, s6 hieu tieu chuAn - TCVN 6663-1:2011 (ISO 5667-1:2006) — Chat luvng mac — Phan 1: Huang dAn lap chuang trinh lay mAu va kje" thuat lay mAu; Lay mau - TCVN 6663-3:2008 (ISO 5667-3:2003) — Chat lucyng nuac — Lay mAu Huang dAn bac, quan va xir lje mAu; - TCVN 5999:1995 (ISO 5667-10:1992) — Chat luvng nuac — Lay mAu Huang dAn lay mAu mac thai pH - TCVN 6492:2011 (ISO 10523:2008) — Chat luang nuac —Xac dinh pH; - SMEWW 2550 B — Phuang phap chuan phan tich nuac va wen thai — Xac dinh pH - TCVN 6001-1:2008 (ISO 5815-1:2003) — Chat luring nuac — Xac dinh nhu cau oxy sinh h6a sau n (BODn) — Phan 1: Phuang phap pha loang va ch co b6 sung allyithiourea; BOD5 (20°C) - TCVN 6001-2:2008 (ISO 5815-2:2003) — Chat luvng riven — Xac dinh nhu cau oxy sinh hoa sau n (BODn) — Phan 2: Phuang phap dung cho mAu khong pha loang; - SMEWW 5210 B — Phuang phap char" phan tich wet va nuac thai — Xac dinh BOD COD - TCVN 6491:1999 (ISO 6060:1989) — Chat luring nuac — Xac dinh nhu cau oxy hoa hQc (COD); - SMEWW 5220 — Phuang phap chi& phan tich nuac va nuac thai — Xac dinh COD , s - QCVN 63:2017/BTNMT Tong chat ran la ICrng (TSS) TOng nits 6(N) - TCVN 6625:2000 (ISO 11923:1997) — Chat !wing nul9c — Xac dinh chat ran la lirng bang cach loc qua cai IQC Kai thug tinh; - SMEWW 2540 - Phirang phap chuan phan tich ruck va nip&c thai — Xac dinh chat ran la lirng - TCVN 6638:2000 (ISO 10048:1991) — Chat luvrig riven — Xac dinh nits — VO ca h6a XCJC tac sau khif bang hap kim Devarda; - SMEWW 4500-N.0 — Phvang phap chuan phan tich wen va riven thai — Xac dinh nits TOn g Xianua (CN-) - TCVN 6181:1996 (ISO 6703-1:1984) — Chat lirang nirac — Xac dinh Xianua tong; - SMEWW 4500-CN- — Phirang phap chuan phan tich nixeic va liven thai — Xac dinh Xianua - TCVN 6202:2008 (ISO 6878:2004) — Chat luvng nt.r&c — Xac dinh PhOt — Phiyang phap phO dung amoni Tong PhOt molipdat; (P) - SMEWW 4500-P.B&D — Phvang phap chuan phan tich riven va nuac thai — Xac dinh PhOt - TCVN 6187-1:2009 (ISO 9308-1:2000) — Chat luvng wen — Phat hien va dem escherichia coli va vi khuan coliform — Phan 1: Phvang phap IQC mang; TOng Coliforms - TCVN 6187-2:1996 (ISO 9308-2:1990) — Chat luvng wen — Phat hien va dem escherichia coli va vi khuan coliform — Phan 2: Phvang phap nhieu Ong (co xac suat cao nhat); - SMEWW 9222 B — Phvang phap chuan phan tich nu,dec va ruck thai — Xac dinh coliform 3.2 Chap nhan cac phuang phap phan tich twang den cac bet.' chuan quOc gia va quOc to khac CO dO chinh xac tuang &rang hoac cao han cac tieu chuan vien d5n & MIX 3.1r/ QCVN 63:2017/BTNMT TO CHOC MX HIEN 4.1 Ca quan quan 19 nha nutec ye m6i tru'o'ng co trach nhiem hutmg an, kiem tra, giam sat viec thkrc hien quy chuen 4.2 Trutmg hop cac tieu chuen vien an muc 3.1 cua quy chi& sin di, bó sung hoac thay the thi ap dung theo van ban ma- 10